If `(2, 0)` is the vertex and y-axis the directrix of a parabola then its focus is

If (2,0) is the vertex and y-axis is the directrix of a parabola then its focus is

If (4,0) is the vertex , and Y-axis the directrix of a parabola , then its focus is

If the vertex of a parabola is (0,2), directrix on x-axis then its focus is :

The line x-1=0 is the directrix of a parabola, y^2=kx then Find the vertex, focus,axis of parabola and length of latus rectum of the parabola.

The vertex of the parabola is (4,0) and the y -axis is the directrix. Then the focus is

Find the vertex, axis, focus and directrix of the parabola x^2+ 4x + 2y-7 = 0 .

Suppose that a parabola has vertex (0,4) and focus (0,2) Prove that the equation of the directrix of the parabola is y=6